Principal Embedded Software Engineer (onsite)

RTX RTX · Aerospace · richardson, TX +1 · Engineering

Principal Embedded Software Engineer role at RTX, focusing on developing software for strategic nuclear deterrence systems within a Special Access Program (SAP). Requires a SECRET U.S. government issued security clearance and experience in embedded software development with RTOS, Agile methods, and MBSE. The role involves supporting stakeholders, designing and implementing software, producing builds, deriving requirements, and mentoring junior engineers.

What you'd actually do

  1. You will provide direct support to stakeholders to answer questions and solve technical issues.
  2. You will develop design and implement software that satisfies customer and certification needs.
  3. You will be produce high-quality software builds in an integrated test environment.
  4. You will derive software requirements, create UML design diagrams, and code solutions from UML design diagrams.
  5. You will communicate and collaborate with other Senior and Principal level Software Engineers, mentoring junior engineers/interns.

Skills

Required

  • Degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience.
  • Active and transferable SECRET U.S. government issued secret security clearance
  • Minimum 5 years of professional experience in embedded software development with real-time operating systems (RTOS).
  • Experience in Agile development methods, including Scrum, automated testing, and continuous integration.
  • Familiarity with Model-Based Systems Engineering (MBSE).

Nice to have

  • Experience supporting aerospace, defense, or nuclear command-and-control systems governed by standards such as DO-178C, MIL-STD-498, or equivalent.
  • Experience in Agile development methods, including Scrum, automated testing, and continuous integration preferred.
  • Exposure to Earned Value Management (EVM) principles.

What the JD emphasized

  • Active and transferable U.S. government issued security clearance is required prior to start date.​
  • U.S. citizenship is required
  • Active and transferable SECRET U.S. government issued secret security clearance is required prior to start date.
  • Minimum 5 years of professional experience in embedded software development with real-time operating systems (RTOS).